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Chemical Research on Novel Packaging Materials

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Materials Chemistry".

Deadline for manuscript submissions: 31 October 2024 | Viewed by 887

Special Issue Editor


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Guest Editor
Department of Physical Chemistry and Physical Chemistry of Polymers, Faculty of Chemistry, Nicolaus Copernicus University in Toruń, Torun, Poland
Interests: polymer synthesis; polymer processing; polymer composites; conducting polymers; biodegradable polymers; packaging materials; hydrogels; superabsorbent polymers
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Special Issue Information

Dear Colleagues,

The packaging industry is vigorously developing a response to the recent demands from the market and expectations of consumers. The main concern today corresponds with society’s growing environmental awareness. These conditions strongly impact the search for novel packaging materials coupling high standards and functionalities with ecological thinking, sustainability, and green technologies. New solutions in line with the principles of sustainability and the biocircular economy demand the introduction of new materials for the packaging industry including biodegradable and renewable resources. In this context, currently, we are experiencing high academic interest in the investigation of different novel molecular systems including polymer blends, composites, and nanocomposites including raw materials not derived from petrol transformation. The subject is very broad and the interest in the field is high; for this reason, we encourage scientists from different branches of chemistry to share their scientific results and ideas concerning these new kinds of materials in our Special Issue. Thanks to the open-access platform, we can count on a wider audience of readers. Contributions to this issue, both in the form of original research or review articles, covering all aspects of new packaging materials including chemical synthesis, modification, processing, and, of course, application will be particularly welcome.

Prof. Dr. Jacek Nowaczyk
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

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Keywords

  • packaging materials
  • renewable resources
  • environmental degradation
  • natural polymers
  • innovative packaging
  • packaging waste management
  • material properties
  • packaging processing

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Published Papers (1 paper)

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Research

21 pages, 3495 KiB  
Article
Green Packaging Films with Antioxidant Activity Based on Pectin and Camellia sinensis Leaf Extract
by Renata Dobrucka, Mikołaj Pawlik and Marcin Szymański
Molecules 2024, 29(19), 4699; https://doi.org/10.3390/molecules29194699 - 4 Oct 2024
Viewed by 581
Abstract
In the packaging materials sector, increasing globalization has created the need for increased efforts to develop consumer protection measures. Consequently, new packaging materials are being sought to replace petroleum-based materials in the future. For this reason, global awareness of the environmental problems associated [...] Read more.
In the packaging materials sector, increasing globalization has created the need for increased efforts to develop consumer protection measures. Consequently, new packaging materials are being sought to replace petroleum-based materials in the future. For this reason, global awareness of the environmental problems associated with the use of synthetic and non-degradable packaging has increased the attention paid to bio-packaging based on natural and biodegradable polymers. The bio-packaging sector is developing innovations to address the sustainability issues facing the food packaging industry. Our research has shown that green matcha extract can be a promising source of antioxidants for the production of bioactive pectin films. This study further confirmed that green matcha extract can be a promising source of antioxidants for the production of bioactive pectin films. The antioxidant activity test showed high activity of films containing matcha extract. The antioxidant activity of films without matcha addition, P, PJ, PC, PJC, was negligible. The addition of matcha to the polymer matrix did not significantly affect the mechanical properties (TS, EB) of the films obtained. The addition of cellulose had the greatest effect on changing the mechanical properties. It caused a twofold increase in the mechanical properties of the obtained packaging films. The addition of matcha significantly improved the barrier properties (for PM films, the WVTR was 3.40 [g/m2d]; for PJM films the WVTR was 1.70 [g/m2d]). The green packaging films showed no toxic effects on the plants (Phacelia tanacetifolia, Salvia hispanica, Brassica napus) and invertebrates (Daphnia pulex, Chaoborus, Chironomus aprilinus) tested. The half-solubility time of the membranes in a solution mimicking gastric acid was also determined. The longest half-dissolution time of the films was about 2 min. Our research has therefore shown that the biodegradable and environmentally safe green packaging films with antioxidant activity that we have developed can be used as edible functional casings in the future, e.g., for sausages and other food products. Full article
(This article belongs to the Special Issue Chemical Research on Novel Packaging Materials)
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